Streamers & Broadcasters
14 toolsTest and optimize your streaming setup. Check microphone quality, reduce background noise, apply voice effects, record your screen, and add live captions.
Microphone Test
Check if your microphone works — test volume, sensitivity, noise floor, and audio quality in the browser.
Mic Noise Test
Test your microphone for noise, identify the problem type, and get step-by-step fix instructions.
Speaker & Headphone Test
Test your speakers, headphones, or surround system right in the browser.
Sound Level Meter
Measure noise levels in decibels using your device microphone. Free, private — all processing happens in your browser.
Voice Changer
Transform your voice with 33 effects — robot, deep, chipmunk, echo and more. Record or upload audio.
Megaphone Effect
Transform any voice or audio into a megaphone, bullhorn or walkie-talkie sound.
Audio Denoiser
Remove background noise from voice recordings, podcasts, and music. Smart profiles for different noise types.
Audio Enhancer
Improve clarity, boost bass and treble, normalize volume, and reduce noise. Smart presets for speech and music.
Screen Recorder
Record your screen, browser tab, or window directly in the browser.
Live Captions
Free live captions in your browser. See speech as text in real time.
Bluetooth Keep Alive
Prevent your Bluetooth speakers, headphones, car audio, and hearing aids from disconnecting. An inaudible keep-alive signal stops Bluetooth timeout.
Keep Screen On
Keep your screen on and prevent your device from sleeping — works right in your browser, no installation needed.
Walkie-Talkie
Push-to-talk voice chat in your browser. Create a channel, share the code, and talk in groups.
Camera Test
Test your webcam for resolution, FPS, sharpness, noise, lighting, and color accuracy.
